Interdental brush



FIG. 1 is a perspective view of an interdental brush embodying the present invention.

FIG. 2 is a left side view of the interdental brush of FIG. 1.

FIG. 3 is a right side view of the interdental brush of FIG. 1.

FIG. 4 is a top view of the interdental brush of FIG. 1.

FIG. 5 is a bottom view of the interdental brush of FIG. 1.

FIG. 6 is a front view of the interdental brush of FIG. 1; and,

FIG. 7 is a rear view of the interdental brush of FIG. 1.

The broken lines show portions of the interdental brush that form no part of the claimed design. 

CLAIM I claim the ornamental design for an interdental brush, as shown and described. 